From: Russ Anderson <rja@sgi.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, rja@sgi.com, hpa@zytor.com,
mingo@redhat.com, tglx@linutronix.de, mingo@elte.hu
Subject: [tip:x86/uv] x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems
Date: Wed, 8 Apr 2009 13:00:55 GMT [thread overview]
Message-ID: <tip-06aa05b307e8efbc278f201198e7cdf3877bc5c2@git.kernel.org> (raw)
In-Reply-To: <20090403222423.GA28546@sgi.com>
Commit-ID: 06aa05b307e8efbc278f201198e7cdf3877bc5c2
Gitweb: http://git.kernel.org/tip/06aa05b307e8efbc278f201198e7cdf3877bc5c2
Author: Russ Anderson <rja@sgi.com>
AuthorDate: Fri, 3 Apr 2009 17:24:23 -0500
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 8 Apr 2009 14:58:10 +0200
x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems
/sys/firmware/sgi_uv should only be created on uv systems.
Signed-off-by: Russ Anderson <rja@sgi.com>
LKML-Reference: <20090403222423.GA28546@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/uv_sysfs.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/uv_sysfs.c b/arch/x86/kernel/uv_sysfs.c
index 67f9b9d..36afb98 100644
--- a/arch/x86/kernel/uv_sysfs.c
+++ b/arch/x86/kernel/uv_sysfs.c
@@ -21,6 +21,7 @@
#include <linux/sysdev.h>
#include <asm/uv/bios.h>
+#include <asm/uv/uv.h>
struct kobject *sgi_uv_kobj;
@@ -47,6 +48,9 @@ static int __init sgi_uv_sysfs_init(void)
{
unsigned long ret;
+ if (!is_uv_system())
+ return -ENODEV;
+
if (!sgi_uv_kobj)
sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj);
if (!sgi_uv_kobj) {
parent reply other threads:[~2009-04-08 13:02 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20090403222423.GA28546@sgi.com>]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=tip-06aa05b307e8efbc278f201198e7cdf3877bc5c2@git.kernel.org \
--to=rja@sgi.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tip-commits@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=mingo@redhat.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox